SAE-J356

SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.QUESTIONSREGARDINGTHISDOCUMENT:[phone]FAX:[phone]TOPLACEADOCUMENTORDER:[phone]FAX:[phone]SAEWEBADDRESS(R)WeldedFlash-ControlledLow-CarbonSteelTubingNormalizedforBending,DoubleFlaring,andBeading1.Scope—TheSAEStandardcoversnormalizedelectric-resistanceweldedflash-controlledsingle-wall,low-carbonsteelpressuretubingintendedforuseaspressurelinesandinotherapplicationsrequiringtubingofaqualitysuitableforbending,doubleflaring,beading,forming,andbrazing.MaterialproducedtothisspecificationisnotintendedtobeusedforsingleflareapplicationsduetothepotentialleakpaththatwouldbecausedbytheIDweldbead.ThisspecificationalsocoversSAEJ356Type-Atubing.ThemechanicalpropertiesandperformancerequirementsofstandardSAEJ356andSAEJ356Type-Aarethesame.Therefore,thedesignateddifferencesofType-AtubingarenotmeanttoimplythatType-AtubingisinanywayinferiortostandardSAEJ356.TheType-Adesignationisonlymeanttoaddresstheuniquemanufacturingdifferencesofthesmalldiameter,lightwallsizes(typically15.88mmODx1.24mmwallandsmaller.)TheprimarydifferencesbetweenSAEJ356andSAEJ356Type-Aaredescribedinthefollowingparagraph.Type-Atubingisheattreatedin-linetorelievestressesandisgenerallyproducedincoiledform.WhenType-Atubingisproducedincoilform,straightlengthsofType-Aareonlyavailablethroughasecondarystraighteningandcut-to-lengthoperation.StandardSAEJ356isproducedasstraightlengthsandthenreceivesasecondarynormalizingoperation.AllstandardSAEJ356requirementsapplytoType-Atubingunlessthespecificrequirementisnotedwitha“Type-A”designation.StandardSAEJ356isalsoavailableinthesamesizesasType-A,inwhichcaseallthestandardSAEJ356specificationsapply.2.References2.1ApplicablePublications—Thefollowingpublicationsformapartofthisspecificationtotheextentspecifiedherein.Unlessotherwisespecified,thelatestissueofSAEpublicationsshallapply.2.1.1SAEPUBLICATIONS—AvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.SAEJ409—ProductAnalysis—PermissibleVariationsfromSpecifiedChemicalAnalysisofaHeatorCastofSteelSAEJ514—HydraulicTubeFittingsSAEJ533—FlaresforTubingSAEJ1677—TestsandProceduresforSAELow-CarbonSteelandCopperNickelTubingSAEJ356RevisedMAY1999-2-2.2RelatedPublications—Thefollowingpublicationsareprovidedforinformationpurposesonlyandarenotarequiredpartofthisdocument.2.2.1SAEPUBLICATIONS—AvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.SAEJ1065—PressureRatingsforHydraulicTubingandFittingsSAEJ1453—Fitting—O-RingFaceSeal3.Manufacture—Thetubingshallbemadefromflat-rolledsteelshapedintoatubularform,theedgesofwhicharejoinedandfusedtogetherbyelectric-resistancewelding.Afterformingandwelding,theoutsideflashshallberemovedtoprovideasmoothsurface.Theinsideflashshallbeofuniformcontour,freefromsaw-toothpeaks,andcontrolledinheightbyseam-weldingtechniquesorbycutting,butnotbyhammeringorrolling.TheinsideflashheightshallconformtothefollowingasinTable1.Thetubingshallbenormalizedviaanatmosphericallycontrolledmethodtoproduceafinishedproductwhichwillmeetallrequirementsofthisdocument.3.1Type-A—Thetubingshallbeheattreatedtorelievestressesviaanatmosphericallycontrolledmethodtoproduceafinishedproductwhichwillmeetallrequirementsofthisdocument.4.DimensionsandTolerances—ThetolerancesapplicabletotubingoutsidediameterareshowninTable2.ThetolerancesapplicabletotubingwallthicknessareshowninTable3.Particularattentionshallbegiventoareasadjacenttotheweldtoinsureagainstthinspotsand/orsharpindentations.TABLE1—INSIDEFLASHHEIGHTNominalWallThicknessmmMaximumFlashHeight(1)(2)Thru25.4mmODmm1.FortubeshavinganIDgreaterthan8mm,theheightoftheinsideweldflashshallbemeasuredwithaballmicrome-terhavinga3.96mm±0.41mmradiusontheanvilorballpoint.FortubeshavinganID8mmorless,screwthreadmicrometersshallbeused.Theheightoftheflashshallbethedifferencebetweenthethicknessofthetubingwallatthepointofmaximumheightoftheflashandtheaverageofthewallthicknessmeasuredatpointsadjacenttobothsidesoftheflash.2.TubingwithanIDthatissmallerthantheproducer’scapabilitytoscarftheIDweldbeadshallbeproducedasa“flashin”tube.SeamweldingtechniquesmaybeappliedinordertocontroltheIDflashheight.ThemaximumIDflashheight,however,willbedeterminedbyagreementbetweentheproducerandthepurchaser.MaximumFlashHeight(1)(2)Over25.4mmODmmlessthan0.900.130.250.90through1.650.200.25greaterthan1.650.250.25TABLE2—TUBINGOUTSIDEDIAMETERTOLERANCENominalTubingOD(1